Hose-clamp



(No Model.)

J. D. MGRAE. HOSEA CLAMP.

No'. 453,359. Patented June 2,1891.

UNITED STATES yPATENT OFFICE.

JOHN D. MORAE, OF BALDVINSVILLF., NEW YORK.

Hose-CLAMP.

SPECIFICATION forming part of Letters Patent No. 453,359, dated June 2,1891.

Application filed July 28,1890. Serial No. 360,163. (No model.)

To LZZ whom it may concern.-

Be it known that I, JOHN D. MCRAE, of Baldwinsville, in the county ofOnondaga, in the State of New York, have invented new and usefulImprovements in Hose-Clamps, of which the following, taken in connectionwith the accompanying' drawings, is a full, clear, and exactdescription.

My invention relates to hose-clamps.

' My object is to provide a hose-clamp for the purposeof coupling piecesof hose tof gether by clamping them toa common metallic tube, or for thepurpose of securing the end of the hose to the hose-nozzle, simpleandcheap of construction, and of great utility.

My invention consists of the several novel features of construction andoperation hereinafter described, and specifically set forth in theclaim, hereto annexed.

It is constructed as follows, reference being had to the accompanyingdrawings, in which- Figure l is a side elevation of a piece of the hosesecured by my clamp to a metallic coupling-tube. Fig. 2 is a top planview thereof, showing the clamping-hose and means for securing themtogether. Fig. 3 is a side view of the clamp complete detached. Fig. 4.is a vertical section thereof. Fig. 5 'is a side elevation of theclamping-wire detached. Fig. 6 is a top plan view thereof. Fig. 7 is anisometrical elevation of one of the clamp-heads. Fig. 8 is a view of itsinner face, showing a recess for the reception of the twisted ends ofthe clamping-wire.

Similar letters and figures of reference indicate corresponding parts.

A is the hose.

B is a metallic coupling-section or end of a hose-nozzle, upon one endof which the hose is secured by the clamp, being also provided withcorrugations l, over which the hose fits. The clamping-band 2 consistsof a single wire bent centrally, so as to create a cross-bar, andextending thence at right angles to a cross-bar formed at the other endby bending the ends of the wires inwardly toward each other, meetingsubstantially midway, then twisted together andthe twisted ends 3standing at about a right angle to these inwardly-bent portions, whichconstitute the cross-bar at the other end of the loop thus created. Thisloop is then bent to substantially the circle of the exterior of thehose, the loop thus forming a double band of outer end of the body, andthe outer face is` suitably recessed or countersunk to receive a screwor bolt head or a nut; also, one head is provided with a recess 5extending back in the cavity of the base longitudinally and adapted toreceive the twisted ends of the wire. The heads are inserted into theband, so that each cross-bar fits in the groove across the inner faceofthe body, and the wire rings extend back over the anges 6 on bothsides, and 7 is a bolt inserted through the heads, and when this isscrewed up the cross-bars of the band are drawn in toward each other,and the twisted ends of the wire are forced still farther into therecess in the head, and most of this twist will lie upon the hose andconstitute a band across the intervening space between the heads.

It will thus be seen that I create a double clamping-band from a singlepiece of wire and tighten the whole by a single bolt.

What I claim as my invention, and desire to secure by Let-ters Patent,is-

A wire clamping-band composed of a single piece of wire bent to form arectangle and having the ends of the wire secured together in one of theend bars of the rectangle and projecting beyond it, in combination withconcaved clamping heads detachably connected to the end bars of therectangle and grooved to receive the ends of the wire, and means forsecuring the heads together.

In witness whereof I have hereunto set my hand this 23d day of July,1890.

JOHN D. MORAE.

l In presence of- H. P. DENIsoN, E. V. MACK,

